# std::ranges::transform_view<V,F>::sentinel<Const>::sentinel

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< cpp‎ | ranges‎ | transform view‎ | sentinel

/*sentinel*/() = default; | (1) | (since C++20)
constexpr explicit /*sentinel*/( ranges::sentinel_t<Base> end ); | (2) | (since C++20)
constexpr /*sentinel*/( /*sentinel*/<!Const> i ) requires Const && std::convertible_to<ranges::sentinel_t<V>, ranges::sentinel_t<Base>>; | (3) | (since C++20)

Constructs a sentinel.

1) Default constructor. Value-initializes the underlying sentinel.
2) Initializes the underlying sentinel with end.
3) Conversion from /*sentinel*/<false> to /*sentinel*/<true>. Move constructs corresponding members.

### Parameters

end | - | a sentinel representing the end of (possibly const-qualified) `V`
i | - | a /*sentinel*/<false>

### Example

| This section is incomplete Reason: no example

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